As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON DEPARTURE THE GEAR FAILED TO RETRACT. THE CREW CONSULTED WITH MTCE AND ELECTED TO RETURN. AN UNEVENTFUL LANDING WAS CONDUCTED. FOUND NLG PROX HARNESS P41 IN WHEEL WELL LOOSE. RETIGHTENED CANON PLUG. PROX SENSORS CHECKED IAW 32-62-01-820-801-A & AIR/GRD CHECK CONFIG IAW 32-62-00-860-801-A. OPS CHECKED SERV.